30 Каталог GUHRING 2016 Режущий инструмент для обработки наружной и внутренней резьбы Стр.18

Каталог GUHRING 2016 Режущий инструмент для резьбы Стр. 18 0030 Lab2u

Steel TAPS PT STEEL Thread depth <1,5xD Tool material HSS-E Type/form N/C N/C N/C N/D NR28/D N/- Surface Coolant delivery Shank tolerance h9 THROUGH HOLES 1 Machine combination drill taps , Machine nut taps Thread type Tolerance Article no. / page M 4H 6H 995 53 806/818 50/51 801/813 49 1839 87 851 85 6HX 6G 795 52 MF 6H 830 100 6HX 6G 829 100 UNC 2B 1977 121 2BX UNF 2B 1987 126 2BX G 963 133 BSW NPT 973 146 NPTF EG M 6H Mod. MJ 4HX MJF 4HX UNJC 3BX UNJF 3BX PG 979 147 Suitable lubricant 0/ /A O/0/A / /A No 1 O = Air = Neat oil O = Soluble oil A = Paste = Minimal quantity lubrication (MQL) g Group of materials i Tensile strength Material example Material no. Recommended cutting speed vc m/min Structural and free cutting steels, heat-treatable steels unalloyed <800 N/mm2 S235JR C15 11SMnPb30 1.0037 1.0401 1.0718 6 6 6 6 6 6 S355J2 1.0577 Free-cutting steels, 800 -Unalloyed case hardened 2 C60 1.0601 -steels, Nitriding steels 1000 N/mm i i 31CrMo12 1.8515 4 Alloyed heat-treatable steels, tool steels, high speed steels 800 -1200 N/mm2 42CrMo4 36CrNiMo4 X36CrMo17 HS 6-5-2 1.7225 1.6511 1.2316 1.3343 P 18 GUHRING